From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B512EC433E0 for ; Thu, 2 Jul 2020 09:44:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 915D920874 for ; Thu, 2 Jul 2020 09:44:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728235AbgGBJoF (ORCPT ); Thu, 2 Jul 2020 05:44:05 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:34068 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726805AbgGBJoE (ORCPT ); Thu, 2 Jul 2020 05:44:04 -0400 Received: by mail-io1-f71.google.com with SMTP id i5so8438081iow.1 for ; Thu, 02 Jul 2020 02:44:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=WAGEeWPrSaptqzW7yLUHgWJcljJ0RDXieWtaFOLwK8I=; b=uJlclNVC9laxbl+DaPbIrWQCcD4s/qm4sazm07p3KZVyAYInmpTNTKMhTCEIPyZamK 9GMqTh2K5WksLQOeQorkAVYkotuFG/y7RGlnZmtvynqAswWEdot4KcWf3JcqH37YJuBG ZPmBqDNVrIBSYbHONeDZ7kp+lxhE/yLxOj9y1lZO1CDj6znCQdZlj7EKpEavyiS7/Yzn xrt4KlLwbZpOAD9p/gD/K9m/nzCb6mZ61Du7yMCD90Ra9mz9asrSoDiglTJgMstRHSZ9 x9WOdXTw3SClORSQGGOS6pxyv+LTIjNSiiSPjRStwC0SIsiN6vK+6C6Z7ilLxtlyGdHf E1zw== X-Gm-Message-State: AOAM531NfJ3bCl0qOw+WM3wE8TU1+Jz5Hf/oFPU6y2h9pRl4bwbcRcww dhPCED56UZkJt8FtEylHpzUg2pwsUsCqraWlvNEcvHt4jj6M X-Google-Smtp-Source: ABdhPJwvaUUKgDGCjjnU0hGKeYaZG0U1RMrOv2um1OcV2qBfkIsnEkJXuKSw91FQIuKR1yDl7VlRG1dip2i6bT4m4jmzbSomUx1N MIME-Version: 1.0 X-Received: by 2002:a02:3c08:: with SMTP id m8mr1134561jaa.107.1593683043766; Thu, 02 Jul 2020 02:44:03 -0700 (PDT) Date: Thu, 02 Jul 2020 02:44:03 -0700 In-Reply-To: <000000000000add83505a8e38c4c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b559df05a9723fcf@google.com> Subject: Re: WARNING: suspicious RCU usage in ctrl_cmd_new_lookup From: syzbot To: bjorn.andersson@linaro.org, colin.king@canonical.com, dan.carpenter@oracle.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, manivannan.sadhasivam@linaro.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit e42671084361302141a09284fde9bbc14fdd16bf Author: Manivannan Sadhasivam Date: Thu May 7 12:53:06 2020 +0000 net: qrtr: Do not depend on ARCH_QCOM bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=131c54a7100000 start commit: 7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=109c54a7100000 console output: https://syzkaller.appspot.com/x/log.txt?x=171c54a7100000 kernel config: https://syzkaller.appspot.com/x/.config?x=d195fe572fb15312 dashboard link: https://syzkaller.appspot.com/bug?extid=3025b9294f8cb0ede850 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11802cf9100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=144acc03100000 Reported-by: syzbot+3025b9294f8cb0ede850@syzkaller.appspotmail.com Fixes: e42671084361 ("net: qrtr: Do not depend on ARCH_QCOM") For information about bisection process see: https://goo.gl/tpsmEJ#bisection